Saying "Screw You" to anyone not using electronic payments, Fed considering banning writing checks
https://www.cnn.com/2025/12/05/economy/fed-considers-ending-paper-checks
https://www.federalreserve.gov/newsevents/pressreleases/other20251204b.htm
Do checks aid surveillance less than other non-cash payment systems? I would expect that a check specifies the payer and the payee, is seen in full by at least the payee's bank, and is probably stored for nontrivial amount of time by that bank.